The Blackwing puzzle /
Franklin W. Dixon ; illustrated by Paul Frame.
- New York : Wanderer Books, c1984.
- 205 p. ; 20 cm.
- The Hardy boys mystery stories ; [82] .
- Dixon, Franklin W. Hardy boys mystery stories ; 82. .
The Hardy boys set out to investigate strange happenings at the Blackwing Mansion, which appears to be haunted, and in the process help their father uncover a ring of thieves.